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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

: 10030 Background: Criteria to classifying Wilms tumor (WT) as stage III are much heterogeneous, including factors referring both to tumor biology and surgical skills.

Main therapy differences across the trials were the timing of abdominal radiotherapy (RT) (anticipated to 2<sup>nd</sup> week from nephrectomy) and doxorubicin cumulative dose reduction from 360 mg/m<sup>2</sup> to 240 in TW2003.

METHOD AND MATERIALS: In an IRB-approved study, 9 stage II-IV non-small cell lung cancer (NSCLC) patients and 1 stage III stomach tumor patient with fiducials received a respiration-correlated planning CT (RCCT) at simulation and five RC-CBCTs during the first week of treatment.

The tumor in each phase of the RC-CBCT is registered to the end-expiration (EE) phase image to obtain the respiration-averaged tumor displacement relative to its EE position.

The RCCT and RC-CBCT images at EE are registered to obtain the tumor displacement at the EE position.

A vector sum of the three displacements yields the correction to the respiration-averaged tumor position.

CONCLUSION: Our preliminary results suggest that for many thoracic and abdominaltumors, position corrections using uncorrelated, respiration-averaged 3D imaging are consistent with those from respiration-correlated imaging; however, respiration-correlated imaging may be indicated for cases of large tumor motion.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A 47-year-old woman with an earlier history of uterine leiomyoma suffered from multiple recurrent tumors in the retroperitoneal lymph nodes and biceps muscle of the right upper arm.

The woman with a right lower abdominaltumor was referred to our hospital.

An abdominal computed tomography scan revealed two round nodules with well-defined margins in the retroperitoneum in the pelvis, and echography revealed a similar nodule in the biceps of the right upper arm.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] A case of gastrointestinal stromal tumor with spontaneous rupture in the greater omentum.

BACKGROUND: Although GIST generally occurs in the digestive tract, such as the stomach, and small and small intestine primarily, Omental GIST tumours are very rare.

CASE PRESENTATION: A 63-year-old male patient, who recognized an abdominaltumor 1 year before admission, had a slight expansion of the tumor, reduction of the body and malaise, was consulted to our hospital.

Abdominal CT and MRI revealed a cystic lesion of 26 cm in diameter with a clear boundary from immediately below the interseptum to the pelvic cavity, and imaged the septum and cystic wall.

We considered that the patient had a cystic tumor in the abdomen, of which the primary lesion was unknown, and scheduled surgery.

The patient unfortunately deteriorated with shock and sudden pain in the abdomen.

Wediagnosed tumor rapture, and emergency surgery was performed.

The tumor, weighing 3,600 g, was mostly cystic, and filled with sanguinous fluid and clot.

Histologically, the tumor was composed of spindle cells, and was positive for c-KIT (CD117), slightly positive for alpha-smooth muscle actin (SMA), and S-100 protein positive.

Based on these findings, the tumor was diagnosed as GIST primarily occurring in the greater omentum.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

INTRODUCTION: The gastrointestinal stromal tumor (GIST) is the designation for a specific type of mesenchymal tumor of the digestive tract that is origin in the interstitial cells of Cajal (ICC) or its precursor multipotentials, its presentation is rare and therefore its best knowledge must affect a proper diagnosis and treatment.

OBJECTIVES: To evaluate the clinical characteristics and to identify factors influencing survival of patients with gastrointestinal stromal tumor.

The study has been performed in 152 patients with gastrointestinal stromal tumor who were treated at the National Institute of Neoplastic Diseases (INEN), Lima, Peru, from January 1999 through December 2009.

The initial presentation was with localized disease to 79 patients (52%) and primary metastases in 73 patients (48%), with an average time of disease 14 months.

The most common symptoms of GIST tumors in general were gastrointestinal bleeding, abdominaltumor and abdominal pain.

The tumor size greater than 10 centimeters was found in 92 patients (60.51%), 39 patients had size between 5 and 10 centimeters (25.65%) and 20 patients had lesions smaller than 5 centimeters (13.15%).

Retroperitoneal GIST tumors had an expression of CD117 of 92.86% and CD34 of 60%, and GIST tumors of the pancreas had an expression of CD117 of 100% and CD34 of 100%.

Of the 152 patients, 93 had complete resection of the disease, 28 had partial resection, 24 were unresectable and 07 did not undergo surgery, the more aggressive behavior was observed in ileum, 03 patients were unresectable, 02 patients had partial resection and only 02 could be completely resected, the rest of the series in general, for each location, the GIST tumors completely resected outscored the unresectable and partially resected.

Multivariate analysis showed that the most significant factor for disease progression was the primary metastases with p = 0.007, and that survival was directly related to complete resection of the disease which is expressed with p <0.0001.

CONCLUSIONS: The most important prognostic factor of survival for gastrointestinal stromal tumors (GIST) is the complete resection of the disease.

The factor that is associated with progression of the disease is the presence of metastases.

In our series of 152 patients, tumor locations tend to relate better survival in gastric GIST that in intestinal GIST.

Differentiated tumor size in three size categories expressed no more related to survival.

The low mitotic index associated with metastasis, not reflected a good prognosis of disease.

[MeSH-major] Gastrointestinal Stromal Tumors / mortality

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This indicated proliferation at these locations, which corresponded to macroscopic observations of the omenta on day 21 after tumor cell injection.

Omentectomy resulted in reduced intra-abdominaltumor load, which was completely attributable to the absence of the omentum, as tumor development did not differ on other sites.

Even in the MRD group microscopic clusters of tumor cells located in the omentum eventually developed into macroscopic nodules.

CONCLUSION: Since the ability of omental milky spots is, even in MRD, insufficient to prevent intra abdominaltumor outgrowth, omentectomy, which reduces tumor load, is recommended in surgical treatment of intra abdominaltumors that are prone to disseminate intraperitoneally.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

CLINICAL CASE: An 80-year-old man was admitted to the hospital with diagnosis of acute cholecystitis and abdominaltumor under study, with complaints of abdominal pain for 10 days located in the right upper quadrant, without fever or significant weight loss.

CT of the abdomen revealed thickening of the gallbladder wall and acute local inflammation, as well as the presence of abdominaltumor in the right lower quadrant.

The patient was surgically explored with the following findings: gangrenous cholecystitis and appendiceal tumor of 20 cm length.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Mutations of Fas or, less frequently, Fas ligand genes result in a rare inherited lymphoid disorder called autoimmune lymphoproliferative syndrome (ALPS) in which lymphoma frequency is increased.

We report on a patient with ALPS who had been splenectomized for giant splenomegaly and progressively developed a voluminous abdominaltumor.

The histology of the removed tumor revealed that it was an accessory spleen exhibiting typical features of ALPS involvement, as shown by the presence of a large excess of CD3+CD4-CD8- T cells and plasma cells without a detectable monoclonal population.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [A case of peritoneal dissemination from mucinous carcinoma of the duodenum, which was associated with tumor thrombosis in the accessory pancreatic duct and successfully treated by chemotherapy].

A 72-year-old woman was admitted with an abdominaltumor, which had been detected by computed tomography scanning.

Endoscopic examination of the upper gastrointestinal tract revealed a type 3 tumor in the descending limb of the duodenum.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Non-functional paraganglioma have not clinical or biological characteristics, so that the diagnostic is most of the time delayed and made on the occasion of advanced abdominaltumor or symptomatic metastasis management.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Transliterated title]Tumor estromal gastrointestinal en duodeno.

During that hospitalization, it was found a duodenal tumor by tomography; however, no further studies or follow up on this finding was done.

She presented with fever, abdominal pain and a palpable abdominaltumor in the right upper quadrant for a month.

We realized a three-phase multislice spiral tomography with pancreatic curved reconstruction, which allowed to identified an ovoid tumor of 80 x 60 mm, with an area of central necrosis and intense contrast enhancement (arterial phase), located between the second and third duodenal portion, near the head of the pancreas.

The patient underwent tumor resection without complication and the histologic diagnosis of the surgical specimen revealed a duodenal stromal tumor (GIST) with extraluminal transmural growth.

We presented this case because of its unusual presentation of this tumor.

Choice of abdominal operation differed significantly between the two age groups for both curative and non-curative surgery, The frequency of APE was similar in both age groups (29.5% vs. 28.6%), but patients > or = 75 years were more likely to have HA (16.9% vs. 4.9%) and less likely to have preoperative radiotherapy (34.3 vs. 67.2%, P < 0.001).

Local recurrence following surgery for low tumors and quality of life aspects deserve particular attention.

[Publication-type] Case Reports; Journal Article

[Publication-country] Germany

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Visual exploration of the abdominal cavity in extended diagnostic laparoscopy (EDL), including surgical dissection of areas which are primarily inaccessible, biopsy retrieval, and laparoscopic ultrasound, is superior in the diagnostic workup of early peritoneal carcinomatosis and (small) liver metastases.

In esophageal carcinoma, pretherapeutic EDL is valuable in case of advanced adenocarcinoma of the distal esophagus (AEG I according to Siewert), whereas the incidence of abdominaltumor manifestations in squamous cell carcinoma is too low to perform staging laparoscopy.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

We examined the possibility of using microsatellite and mitochondrial DNA polymorphisms as markers to detect the clonal origin of tumor cells found in the same patient.

We considered two children with complex tumor diseases: one with supratentorial primitive neuroectodermal tumors (PNET) and a hepatic rhabdoid tumor and another with brain and abdominal rhabdoid tumors.

In the first patient we found an mtDNA cytosine insertion both in the normal tissue and in the primary tumor, whereas in the hepatic tumor we detected an insertion of 2 cytosine.

In the second child, who had a constitutional mutation of hSNF5/INI-1, we identified the same mtDNA pattern both in normal tissue and in the abdominaltumor but not in the brain tumor, which presented three different mtDNA polymorphisms.

Thus, we demonstrated the same clonal origin for tumors in the first patient and different clonal origins of the tumors in the second patient.

Molecular examination of clonality is a useful tool to obtain information about the origin of synchronous and/or metachronous tumors found in the same patient.

[MeSH-major]Neoplasms / genetics

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

An 8-year-old girl presented with abdominaltumor that was discovered incidentally.

At surgery, the tumor originated from the retroperitoneal sympathetic trunk; and the histologic diagnosis was ganglioneuroblastoma, nodular (GNBn), unfavorable histology on Shimada's classification, International Neuroblastoma Staging System (INSS) stage 1.

There was no tumor detected, and tumor markers decreased to normal range by 18 months of age.

We examined her previous computed tomographic films retrospectively and noticed a mass in the same region indicating that the tumor had been there for 8 years without treatment.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

The p16 tumor suppressor gene is inactivated by promoter region hypermethylation in many types of tumor.

Recent studies showed that aberrant methylation of the p16 gene is an early event in many tumors, especially in lung cancer, and may constitute a new biomarker for early detection and monitoring of prevention trials.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Gastrointestinal stromal tumor (GIST) is the most common mesenchymal tumor of the gastrointestinal tract, but also occurs at a lower frequency in extra-gastrointestinal regions such as omentum, mesentery, retroperitoneum and undefined abdominal sites.

This tumor is called extragastrointestinal stromal tumor (EGIST).

EGIST is mostly diagnosed as a cystic mass, but rarely occurs as a disseminated abdominaltumor.

Abdominal CT showed diffuse peritoneal thickening with a large amount of ascites, but no definite mass lesion.

Laparoscopic biopsy was performed and histologic findings showed tumor composed of epithelioid cells.

In the results of immunohistochemical stains, the tumor showed positive reactivity with CD117 (c-kit), CD34, vimentin and actin, but negative reactivity with desmin and S-100 protein.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A 58-year-old man who complained of an abdominaltumor was admitted to our hospital.

Abdominal CT scan showed that a 15-cm tumor occupied the entire right upper abdomen and that there were ascites and liver metastases.

The liver biopsy showed a small cell carcinoma pattern, but no definitive origin of the tumor was determined.

Considering the extensive peritoneal invasion and multiple liver metastases, he received 2 / courses of cisplatin/etoposide chemotherapy, but his tumor became larger with concomitant abdominal pain and nausea.

The patient suddenly died due to multiple organ failure caused by tumor necrosis.

The most common neoplasms of the peritoneum are malignant mesothelioma and serous papillary adenocarcinoma.

The ovaries and uterine endometrium of these cases were not affected, and the tumors were diagnosed as Stage IIIc CCC of the peritoneum origin.

The cases and a review of the literature suggested that residual tumor volume size determines the survival of these patients, and that the tumors show resistance to conventional platinum-based chemotherapy.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

The animal was castrated, and histologic examination revealed a biphasic sex cord-stromal tumor, with one region resembling Sertoli-cell tumor and one region resembling granulosa-cell tumor, with extensive microfollicular pattern and many Call-Exner bodies.

Eight months after castration, the animal was euthanized on discovery of a caudal abdominal mass that displaced organs, was highly infiltrative, and extended into the paravertebral musculature with lysis of vertebral bone.

At 18, a tumor in the abdominal wall was excised.

At 23, the tumor recurred which was removed again.

Abdominal and the rib tumors showed the same immunohistochemistrical expression.

It is noteworthy that the tumor cells of the rib lesion showed increased cellularity, and its Ki-67 activity was higher as compared with the abdominaltumor, suggestive of progression of malignancy of SEF.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

At 8 mo postpartum, she became aware of an upper abdominaltumor.

Abdominal computed tomography and upper abdominal ultrasonography revealed a large cystic mass in the body of the pancreas.

The patient underwent tumor resection at 11 mo postpartum.

Pathological examination of the tumor revealed mucin-producing columnar epithelial cells lining the cystic wall with ovarian-type stromal tissue and no findings indicative of malignancy, giving a diagnosis of mucinous cystic adenoma of the pancreas.

Postpartum rapid growth of a benign mucinous cystic neoplasm might be linked to the production of female sex hormones during lactation.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

INTRODUCTION: We performed a systematic evaluation of tumor pattern and surgical outcome in 214 consecutive patients with primary ovarian cancer.

METHODS: Based on the surgical and histological reports we retrospectively analyzed tumor localizations, surgical and clinical outcome.

Cox-regression analysis was performed to identify independent predictors of complete tumor resection and mortality.

Upper abdominaltumor involvement was associated with a significantly higher rate of lymph node metastasis and a significantly lower rate of complete surgical tumor resection, when compared to patients with tumor limited to the lower abdomen.

CONCLUSIONS: The intraoperative tumor dissemination pattern and the post-operative tumor residuals are decisive for the prognosis in primary ovarian cancer.

There is an urgent need to use a systematic and standardized tumor documentation protocols to define the predictive and prognostic role of specific tumor pattern and to compare the surgical outcomes of different tumor centers.

[Publication-country] United States

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Computed tomography enteroclysis is the examination of choice for patients with symptoms of intermittent small bowel obstruction, especially when there is a history of prior complex abdominal surgery, abdominaltumor, radiation therapy, and also in high grade obstructions with suspicion of extraintestinal internal fistula.

Computed tomography enteroclysis is becoming the first-line modality for the evaluation of advanced and complicated small bowel Crohn disease.

Computed tomography enteroclysis can also become an important complementary imaging technique to capsule endoscopy in the assessment of small bowel neoplasms and occult gastrointestinal hemorrhage.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Synovial sarcoma, a malignant mesenchymal neoplasm, occurs mostly near the joints of the extremities and occasionally outside the joint such as lung.

Recurrent abdominaltumor, observed at 12 month after the initial surgery and following chemotherapy using doxorubicin, cisplatin and ifosfamide, partially responded to chemotherapy using paclitaxel and carboplatin and, then, optimal surgery was performed.

PURPOSE: We undertook this study to determine (1) the frequency with which spilled tumor cells of favorable histology produced intra-abdominaldisease in patients treated with differing chemotherapy regimens and abdominal radiation therapy (RT) and (2) the patterns of relapse and outcomes in such patients.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A 10-yr-old male intact Asian small clawed otter (Aonyx cinerus) was presumptively diagnosed by histopathology and immunohistochemistry with lymphangiosarcoma after bony destruction of the ischium and spinal column from local tumor invasion had caused progressive signs of hind limb lameness and paresis/paralysis, which led to humane euthanasia.

At necropsy, the primary tumor was identified as a flocculent mass present under the caudal lumbar vertebrae.

The tumor had metastasized to at least two different sites within the spleen.

The abdominaltumor was confirmed to be of endothelial origin by the use of immunohistochemical staining for factor VIII-related antigen and was confirmed as lymphatic origin versus vascular origin because of the lack of red blood cells within the vessels.

This is the first report of lymphangiosarcoma, an uncommon malignant neoplasm of lymphatic origin, in a mustelid and the first report of neoplastic disease in an Asian small clawed otter.

In addition, the presentation of hind limb paresis associated with bony lysis because of local tumor invasion has not been previously reported with lymphangiosarcoma in humans, domestic animals, or nondomestic animals.

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(PMID = 18634215.001).

[ISSN] 1042-7260

[Journal-full-title] Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Small cell carcinoma (SCC) of the pancreas is a rare disease, with an extremely poor prognosis; only 24 cases have been reported in the literature.

A 69-year-old woman presented with an abdominaltumor and pain.

Initially, the tumor disappeared completely on computed tomography (CT) scans, but she died of disease recurrence 3 months after completing the chemotherapy.

Changes in serum neuron-specific enolase (NSE) levels were monitored constantly during the progress of the disease.

NSE levels had already increased above the upper limit of normal 8 months before the patient's admission to our hospital, and levels changed concurrently not only with tumor growth but also subsequently with remission and then relapse of the disease after treatment.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Lymphangioleiomyomatosis (LAM) is a rare multisystemic disease of women of child-bearing age and affects mainly the lungs, promoting cystic destruction of lung parenchyma or leading to abdominaltumor formation (e.g., angiomyolipomas, lymphangioleiomyomas).

LAM can arise sporadically or in association with tuberous sclerosis complex (TSC), an autosomal inherited syndrome characterized by hamartoma-like tumor growth and pathologic features that are distinct from manifestations of pulmonary LAM.

Both of these genes are tumor suppressor genes encoding hamartin (TSC1) and tuberin (TSC2).

Sporadic LAM is correlated with a mutation in the TSC2 gene and tuberin appears to play a central role in the pathogenesis of the disease.

A TSC2 loss or mutation leads to disruption of the tuberin-hamartin heteromer and dysregulation of S6K1 activation leading to aberrant cell proliferation seen in LAM disease.

The extremely diverse clinical and radiologic features of the disease and the complex therapeutic approach are reviewed in detail.

As long as newer therapeutic agents do not change this picture, lung transplantation remains the last hope for patients with respiratory failure at the advanced stage of the disease.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Identification of somatic APC mutations in recurrent desmoid tumors in a patient with familial adenomatous polyposis to determine actual recurrence of the original tumor or de novo occurrence.

A 25-year-old female with familial adenomatous polyposis (FAP) presented with an abdominaltumor just below the scar due to a colectomy performed 15 months previously.

This tumor (tumor A) measured 7 cm in diameter, was diagnosed as a desmoid tumor of the abdominal wall, and was excised.

Despite the subsequent administration of sulindac (300 mg daily for 1 year), a desmoid tumor recurred at the same site.

Excision was performed again when the tumor was 8 cm in diameter, and examination revealed it to consist of a large tumor (B) and a small tumor (C) that bulged out from tumor B.

Two somatic mutations were observed in tumor A: a TCAA deletion at codon 1068 and a deletion of a codon at bp 1192-2097.

In tumor B, a somatic mutation was found at codon 1041 changing CAA to TAA.

We could not detect any somatic mutations in tumor C.

We conclude that somatic mutation analysis of the APC gene can be used to identify whether a recurrent desmoid tumor in a patient with FAP is a new primary tumor or a recurrence from microscopic remnants of the original tumor.

[Publication-country] Spain

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Hepatocellular adenoma is a rare benign tumor of the liver which appears almost exclusively in women taking oral contraceptives.

Malignant alteration of the tumor is very rare with about 12 reported cases. Case outline.

We present a 70-year-old woman who had not taken either oral contraceptive or other hormones ever in her life and in whom an abdominaltumor was discovered during the regular check-up for arterial hypertension.

During an open surgery a solitary, unilobular, spherical, well demarcated tumor on the lower surface of the segments IVb, V and VI of the liver, 115 x 100 x 90 mm in diameter was excised.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

We report a case of a 48-year-old Indian male who presented with swelling and firmness in his left upper part of the abdomen of one month duration with anorexia and weight loss.

Initial examination revealed an intra abdominal mass of around 16.8x11.0x24.5cm with minimal left sided pleural effusion.

A biopsy from the mass confirmed the diagnosis of gastrointestinal stromal tumour (GISTs) as supported by immmunohistochemistry results which showed strong positivity for c-kit while stains for smooth muscle actin, desmin, myoglobin, S100 Protein and cytokerstin remained negative.

The patient was not suitable for surgical intervention in view of advanced tumor, and Imatinib Mesylate 400mg daily was started with the aim of making the tumor operable.

It then resulted in gradual tumor regression, following which the patient underwent successful tumor resection.

Post surgical resection patient had no radiological evidence of intra abdominaltumor but mild left sided pleural effusion with left lower lobe atelectasis.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

No tumor or other neurological abnormality was found.

Abdominaltumor was detected by ultrasound.

The surgically removed tumor was histologically a benign mesenteric multicystic lymphangioma.Simultaneously, celiac disease was diagnosed.Gluten-free diet resulted in a significant improvement of celiac disease,but not of autoimmune hepatitis.

The patient was a homozygous carrier for HLA DQ2 antigen characteristic for celiac disease and heterozygous for HLA DR3 B8 frequent in autoimmune liver diseases.

Our novel observation on association of Holmes-Adie syndrome with autoimmune hepatitis and celiac disease is suggestive for a common immunological background for all three entities present in a patient with mesenteric multicystic lymphangioma.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

We, herein, report the case of a 2-year-old boy who presented with a huge yolk sac tumor with retroperitoneal lymph nodes metastasis that originated in a left intra-abdominal undescended testis.

Computed tomography and magnetic resonance imaging showed a huge round tumor connecting to the left retroperitoneal lymph nodes with metastasis extending from the left pelvic region to the left renal hilum.

The right abdominaltumor appeared to be a giant testis that had strangulated at the neck of the cord.

The tumor had ruptured at the side of the left pelvic lymph node metastasis, and a yolk sac tumor was diagnosed from a histologic analysis of the resected specimens.

Postoperative PEB chemotherapy was effective, and a complete surgical resection of the tumor was performed 3 months after the initial laparotomy.

The pathologic findings showed fibrous tissue without any tumor cells.

This case might be a coincidental association of a yolk sac tumor occurring in an undescended testis, which thus caused a delay in making an accurate diagnosis.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A 77-year-old man was referred to our hospital because of a right lower abdominaltumor.

Abdominal computed tomography showed a mass in the mesenterium at the ileocoecal region and multiple mass in the liver.

With the diagnosis of a mesenteric tumor with liver metastases, a laparotomy was performed.

After the 8th course of such chemotherapy, he was confirmed to have achieved a complete remission by abdominal computed tomography and Gallium scintigram.The Stage IV mesenteric diffuse large B-cell lymphoma involving the liver seems to be an indication for combination therapy of surgical resection and multiagent chemotherapy.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

It is possible that some of this variation is due to abdominal tissue inhomogeneity, which might be causing focal beam distortion, and might largely decrease the focusing ability in deep-seated tissues.

Abdominal MR data from four uterine fibroid patients were obtained to reconstruct the three-dimensional meshes of interfaces used in simulations, and one patient was selected to perform the analysis of key parameters in focused ultrasound surgery.

This study may offer important implications and information for treatment planning toward optimizing focused ultrasound surgery in uterine fibroid or other abdominaltumor treatments.